gcc/testsuite/gcc.dg/dfp/operator-assignment.c

   1 /* { dg-options "-std=gnu99" } */
   2
   3 /* C99 6.5.16 Assignment operators.
   4    Verify the compound assignment operator for decimal float types,
   5    using it with other decimal float types, integers, and other binary
   6    float types cast to decimal float types.  */
   7
   8 extern void abort (void);
   9
  10 #define OPERATE(OPRD1,OPRT,OPRD2,RLT)           \
  11   if (( OPRD1 OPRT OPRD2 )!= RLT)               \
  12     abort ();
  13
  14 #define DECIMAL_COMPOUND_ASSIGNMENT(TYPE, OPRD) \
  15 {                                               \
  16   _Decimal##TYPE d = OPRD;                      \
  17   OPERATE(d,+=,1,(OPRD + 1));           \
  18   d = OPRD;                             \
  19   OPERATE(d,+=,0,OPRD);                 \
  20   d = OPRD;                             \
  21   OPERATE(d,+=,(-1),(OPRD - 1));        \
  22   d = OPRD;                             \
  23   OPERATE(d,+=,d32a,(OPRD + d32a));     \
  24   d = OPRD;                             \
  25   OPERATE(d,+=,d64a,(OPRD + d64a));     \
  26   d = OPRD;                             \
  27   OPERATE(d,+=,d128a,(OPRD + d128a));   \
  28   d = OPRD;                             \
  29   OPERATE(d,+=,(_Decimal##TYPE)1.1,(OPRD + (_Decimal##TYPE)1.1));       \
  30   d = OPRD;                             \
  31   OPERATE(d,+=,(_Decimal##TYPE)2.2f,(OPRD + (_Decimal##TYPE)2.2f));     \
  32   d = OPRD;                             \
  33   OPERATE(d,-=,1,(OPRD - 1));           \
  34   d = OPRD;                             \
  35   OPERATE(d,-=,0,OPRD);                 \
  36   d = OPRD;                             \
  37   OPERATE(d,-=,(-1),(OPRD + 1));        \
  38   d = OPRD;                             \
  39   OPERATE(d,-=,d32a,OPRD-d32a);         \
  40   d = OPRD;                             \
  41   OPERATE(d,-=,d64a,OPRD-d64a);         \
  42   d = OPRD;                             \
  43   OPERATE(d,-=,d128a,OPRD-d128a);       \
  44 }
  45
  46 int
  47 main ()
  48 {
  49   _Decimal32 d32 = 1.23456df, d32a = 1.2df;
  50   _Decimal64 d64 = 23.456789dd, d64a = 2.8dd;
  51   _Decimal128 d128 = 345.67890123456789dl, d128a = 4.7dl;
  52
  53   DECIMAL_COMPOUND_ASSIGNMENT(32, d32);
  54   DECIMAL_COMPOUND_ASSIGNMENT(64, d64);
  55   DECIMAL_COMPOUND_ASSIGNMENT(128, d128);
  56
  57   return 0;
  58 }